Measuring instrument



FIG. 1 is a front perspective view of a measuring instrument, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a side elevation view thereof taken from the right of FIG. 5; and,

FIG. 8 is a side elevation view thereof taken from the left of FIG. 5. 

CLAIM I claim, the ornamental design for a measuring instrument, as shown and described. 